Use of a cell phone with the vehicles radio on can cause a buzz or clicking sound from the radio speakers. It is recommend to move the cell phone away from any components of the radio system if this occurs. Replacement of radio system components will not correct this concern.Google+
Car Problem Reports
Jeep Commander Noise From Radio Speakers During Cell Phone Use
Jeep Commander Problem
Visitor, 2006 Jeep Commander
I have the same issue and thought it was my phone as I spend a great deal of time in my vehicle. Just another Commander issue with the electronics. Seems she intro and fix one problem...there is another.